In recent years, some concoms have tried to lessen the spread of con crud by supplying consuite snacks in single-serving packages or dispensers, but based on anecdotal evidence, it hasn't helped much. The usual precautions — wash your hands frequentl and eat and sleep enough and avoid cons when your immune system is low — are pretty much all you can do to keep germs and viruses at bay. For the sake of your fellow fen, don't go cons when you are sick and cover your mouth when you sneeze!